From 4f1f3b56301ee67e6351f9b0e54de8768cec151d Mon Sep 17 00:00:00 2001
From: Chris Conlon <chris@wolfssl.com>
Date: Thu, 8 Feb 2024 09:44:52 -0700
Subject: [PATCH] JCE: add "SHA1" alias for MessageDigest SHA-1, for interop
 with Sun

---
 .../java/com/wolfssl/provider/jce/WolfCryptProvider.java | 2 ++
 .../provider/jce/test/WolfCryptMessageDigestShaTest.java | 9 ++++++---
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/src/main/java/com/wolfssl/provider/jce/WolfCryptProvider.java b/src/main/java/com/wolfssl/provider/jce/WolfCryptProvider.java
index 360b4f9..b144c25 100644
--- a/src/main/java/com/wolfssl/provider/jce/WolfCryptProvider.java
+++ b/src/main/java/com/wolfssl/provider/jce/WolfCryptProvider.java
@@ -44,6 +44,8 @@ public final class WolfCryptProvider extends Provider {
         if (FeatureDetect.ShaEnabled()) {
             put("MessageDigest.SHA",
                     "com.wolfssl.provider.jce.WolfCryptMessageDigestSha");
+            put("MessageDigest.SHA1",
+                    "com.wolfssl.provider.jce.WolfCryptMessageDigestSha");
             put("MessageDigest.SHA-1",
                     "com.wolfssl.provider.jce.WolfCryptMessageDigestSha");
         }
diff --git a/src/test/java/com/wolfssl/provider/jce/test/WolfCryptMessageDigestShaTest.java b/src/test/java/com/wolfssl/provider/jce/test/WolfCryptMessageDigestShaTest.java
index 5807563..4f3490e 100644
--- a/src/test/java/com/wolfssl/provider/jce/test/WolfCryptMessageDigestShaTest.java
+++ b/src/test/java/com/wolfssl/provider/jce/test/WolfCryptMessageDigestShaTest.java
@@ -58,12 +58,15 @@ public class WolfCryptMessageDigestShaTest {
         assertNotNull(p);
 
         try {
-            /* Try "SHA" cipher string, for SUN interop */
+            /* Try "SHA" and "SHA1" cipher strings, for SUN interop */
             MessageDigest sha = MessageDigest.getInstance("SHA",
                                                           "wolfJCE");
 
-            MessageDigest sha1 = MessageDigest.getInstance("SHA-1",
-                                                           "wolfJCE");
+            MessageDigest sha1 = MessageDigest.getInstance("SHA1",
+                                                          "wolfJCE");
+
+            MessageDigest shaDash1 = MessageDigest.getInstance("SHA-1",
+                                                               "wolfJCE");
         } catch (NoSuchAlgorithmException e) {
             /* if we also detect algo is compiled out, skip tests */
             if (FeatureDetect.ShaEnabled() == false) {